Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Viljo Johannes MielonenfiledCriticalViljo Johannes Mielonen
Priority to FI741316ApriorityCriticalpatent/FI51258C/fi
Priority to SE7504714Aprioritypatent/SE399803B/xx
Publication of FI131674A7publicationCriticalpatent/FI131674A7/fi
Application grantedgrantedCritical
Publication of FI51258BpublicationCriticalpatent/FI51258B/fi
Publication of FI51258CpublicationCriticalpatent/FI51258C/fi